Decorative waistlet



FIG. 1 is a front view of a decorative waistlet showing our new design;

FIG. 2 is a rear view thereof; and,

FIG. 3 is a perspective view thereof.

The broken line showing of a human form is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a decorative waistlet, as shown and described. 